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相关论文: A Reversible Data Hiding Method in Compressible En…

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H.264/Advanced Video Coding (AVC) is one of the most commonly used video compression standard currently. In this paper, we propose a Reversible Data Hiding (RDH) method based on H.264/AVC videos. In the proposed method, the macroblocks with…

多媒体 · 计算机科学 2019-04-30 Yi Chen , Hongxia Wang , Hanzhou Wu , Yong Liu

The paper proposes a method to secure the Compressive Sensing (CS) streams. It consists in protecting part of the measurements by a secret key and inserting the code into the rest. The secret key is generated via a cryptographically secure…

密码学与安全 · 计算机科学 2025-05-30 Cristina-Elena Popa , Cristian Damian , Daniela Coltuc

Code mapping (CM) is an efficient technique for reversible data hiding (RDH) in JPEG images, which embeds data by constructing a mapping relationship between the used and unused codes in the JPEG bitstream. This study presents a new…

多媒体 · 计算机科学 2022-07-19 Yang Du , Zhaoxia Yin

In traditional reversible data hiding (RDH) methods, researchers pay attention to enlarge the embedding capacity (EC) and to reduce the embedding distortion (ED). Recently, a completely novel RDH algorithm was developed to embed secret data…

多媒体 · 计算机科学 2019-08-19 Erdun Gao , Zhibin Pan , Xinyi Gao

Reversible data hiding in encrypted image (RDHEI) becomes a hot topic, and a lot of algorithms have been proposed to optimize this technology. However, these algorithms cannot achieve strong embedding capacity. Thus, in this paper, we…

密码学与安全 · 计算机科学 2022-01-21 Zi-Long Liu , Chi-Man Pun

In recent years, reversible data hiding (RDH), a new research hotspot in the field of information security, has been paid more and more attention by researchers. Most of the existing RDH schemes do not fully take it into account that…

多媒体 · 计算机科学 2021-10-19 Yujie Jia , Zhaoxia Yin , Xinpeng Zhang , Yonglong Luo

In this paper, we propose a novel content-based image-retrieval scheme that allows us to use a mixture of plain images and compressible encrypted ones called "encryption-then-compression (EtC) images." In the proposed scheme, extended…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Kenta Iida , Hitoshi Kiya

This paper presents a histogram based reversible data hiding (RDH) scheme, which divides image pixels into different cell frequency bands to sort them for data embedding. Data hiding is more efficient in lower cell frequency bands because…

图像与视频处理 · 电气工程与系统科学 2020-10-19 Ammar Mohammadi , Mansour Nakhkash

This work proposes an improved reversible data hiding scheme in encrypted images using parametric binary tree labeling(IPBTL-RDHEI), which takes advantage of the spatial correlation in the entire original image but not in small image blocks…

多媒体 · 计算机科学 2021-10-19 Youqing Wu , Youzhi Xiang , Yutang Guo , Jin Tang , Zhaoxia Yin

This paper presents a reversible data hiding in encrypted image (RDHEI), which divides image into non-overlapping blocks. In each block, central pixel of the block is considered as leader pixel and others as follower ones. The prediction…

图像与视频处理 · 电气工程与系统科学 2020-11-17 Ammar Mohammadi , Mansor Nakhkash

This paper presents a novel reversible data hiding (RDH) algorithm for gray-scaled images, in which the prediction-error of prediction error (PPE) of a pixel is used to carry the secret data. In the proposed method, the pixels to be…

多媒体 · 计算机科学 2016-09-26 Han-Zhou Wu , Hong-Xia Wang , Yun-Qing Shi

We propose an image identification scheme for double-compressed encrypted JPEG images that aims to identify encrypted JPEG images that are generated from an original JPEG image. To store images without any visual sensitive information on…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Kenta Iida , Hitoshi Kiya

As an essential technique for data privacy protection, reversible data hiding in encrypted images (RDHEI) methods have drawn intensive research interest in recent years. In response to the increasing demand for protecting data privacy,…

密码学与安全 · 计算机科学 2023-02-17 Yike Zhang , Wenbin Luo

With the rapid advancements in information technology, reversible data hiding over encrypted images (RDH-EI) has become essential for secure image management in cloud services. However, existing RDH-EI schemes often suffer from high…

密码学与安全 · 计算机科学 2025-02-18 Jianhui Zou , Weijia Cao , Shuang Yi , Yifeng Zheng , Zhongyun Hua

Reversible Data Hiding (RDH) is a practical and efficient technique for information encryption. Among its methods, the Pixel-Value Ordering (PVO) algorithm and its variants primarily modify prediction errors to embed information. However,…

密码学与安全 · 计算机科学 2026-01-21 Yusen Zhang , Haoyun Xu , Jingwen Li

We propose a privacy-preserving machine learning scheme with encryption-then-compression (EtC) images, where EtC images are images encrypted by using a block-based encryption method proposed for EtC systems with JPEG compression. In this…

密码学与安全 · 计算机科学 2020-12-30 Ayana Kawamura , Yuma Kinoshita , Takayuki Nakachi , Sayaka Shiota , Hitoshi Kiya

In this paper a general framework to adopt different predictors for reversible data hiding in the encrypted image is presented. We propose innovative predictors that contribute more significantly than conventional ones results in…

图像与视频处理 · 电气工程与系统科学 2022-03-10 Ammar Mohammadi

Data hiding is one widely used approach for protecting authentication and ownership. Most multimedia content like images and videos are transmitted or saved in the compressed form. This kind of lossy compression, such as JPEG, can destroy…

图像与视频处理 · 电气工程与系统科学 2021-01-05 Chaoning Zhang , Adil Karjauv , Philipp Benz , In So Kweon

This paper first reviews the reversible data hiding scheme, of Liu et al. in 2018, for JPEG images. After that, a novel reversible data hiding scheme, in which modification directions of partial nonzero quantized alternating current (AC)…

多媒体 · 计算机科学 2018-05-29 Yi Chen , Hongxia Wang

Reversible data hiding (RDH) is desirable in applications where both the hidden message and the cover medium need to be recovered without loss. Among many RDH approaches is prediction-error expansion (PEE), containing two steps: i)…

图像与视频处理 · 电气工程与系统科学 2018-02-21 Qi Chang , Gene Cheung , Yao Zhao , Xiaolong Li , Rongrong Ni